:: 将所有项目切换到 指定分支 分支。例如：

:: 切换所有项目分支到 master
:: ./switch master
@echo off
chcp 65001

for %%i in ( "../liaoyu", "../liaoyu-im", "../liaoyu-trade", "../liaoyu-admin", "../liaoyu-user" ) do (
    echo 切换 %%i 到 %1 分支
    cd %%i
    git checkout %1
)
